| 单词 | lighthearted | 
| 释义 | lightheartedadjective  light·heart·ed  ˈlīt-ˌhär-təd  1   : free from care, anxiety, or seriousness : happy-go-lucky  a lighthearted mood 2   : cheerfully optimistic and hopeful : easygoing  they can be lighthearted in the midst of misery  lightheartedly adverb   lightheartedness noun  lighthearted adjectiveas in nonchalanthaving or showing freedom from worries or trouble his lighthearted attitude in the face of danger was the source of some concern Synonyms & Similar Words Relevance 
 Antonyms & Near Antonyms 
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